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Application of torreya essential oil in mosquito repellent

A technology for mosquito repellent and essential oil, applied in the field of comprehensive utilization of agricultural and forestry products, can solve the problems such as the mosquito repellent effect of the essential oil of Torreya tree has not been seen, and achieve the effect of wide application range

Inactive Publication Date: 2010-04-07
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

So far, there is no research report on the mosquito repellent effect of Torreya essential oil

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1, a kind of Torreya essential oil mosquito repellent liquid

[0023] Torreya essential oil, mineral oil, and absolute ethanol are mixed in a mass ratio of 1:2:2 to form a solution to obtain a mosquito repellent liquid with a mass fraction of Torreya essential oil of 20%.

[0024] Evenly apply this kind of mosquito repellent to the exposed skin on the outside of the arm, which can effectively prevent mosquitoes for 4-5 hours.

Embodiment 2

[0025] Embodiment 2, a kind of natural herbal mosquito repellent liquid

[0026] Mix ethanol, Torreya essential oil, lemon eucalyptus oil, citronella oil and glycerin to form a solution, then add water and mix to obtain a natural herbal mosquito repellent; ethanol, Torreya essential oil, lemon eucalyptus oil, citronella oil The mass concentrations of glycerin and glycerol in the natural herbal mosquito repellent liquid are 42-48%, 5-7%, 0.3-0.8%, 0.1-0.25%, and 0.6-0.9%, respectively.

[0027] This mosquito repellent can be applied directly to the skin, and the effective time can reach 3-4h. Play a synergistic effect, so that the Torreya essential oil can still exert a good mosquito repelling effect under the premise of a relatively low content.

Embodiment 3

[0028] Embodiment 3, a kind of Torreya essential oil mosquito repelling patch

[0029] Mix Torreya essential oil and phenolic resin in a mass ratio of 1:4, stir at 80°C for 10 hours to make an extract, and then apply the extract to one side of the non-woven fabric with a coating thickness of 0.1-0.2mm. The other side of the film is pasted together with hot melt adhesive and PET film, the PET film is coated with self-adhesive, and finally a protective layer of release paper is pasted.

[0030] When using, remove the protective paper, stick the mosquito repellent patch on the surface of furniture, clothing, etc., close to the human body. The effective anti-mosquito time of this mosquito repellent patch is 5-6h, after which the effect will decrease with time.

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PUM

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Abstract

The invention discloses application of torreya essential oil in a mosquito repellent. The torreya essential oil is extracted from aril of torreya. The mosquito repellent prepared from the torreya essential oil has the characteristics of good mosquito repelling effect and environmental protection.

Description

technical field [0001] The invention relates to the use of torreya essential oil extracted from torreya aril as a raw material in mosquito repelling products, and belongs to the technical field of comprehensive utilization of agricultural and forestry products. Background technique [0002] Torreya grandis (Torreya grandis) is a gymnosperm plant, belonging to the genus Torreya (Taxaceae) in the pine fir class, the genus Torreya, an evergreen tree, and is a unique economic tree species in my country. During seed development, the receptacle of the ovule enlarges and develops into a fleshy aril. Its seeds are drupe-shaped, and are customarily called fruit or species of cattail. Wherein Torreya grandisvar. merriii is a cultivated species of Torreya grandis var. merriii, and its seeds have been eaten as treasures in dried fruits for thousands of years. Torreya aril accounts for about 50-60% of the fresh weight of the seeds. After the torreya fruit is harvested, it is stacked an...

Claims

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Application Information

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IPC IPC(8): A01N65/06A01P17/00
CPCY02A50/30
Inventor 牛丽影张英吴晓琴鲍建锋
Owner ZHEJIANG UNIV
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